.code_textarea{
    min-width: 95%;
    max-width: 95%;
    min-height: 25em;
    max-height: 25em;
    height: 25em;
    font-size: 20px;
}

.choice_language{
    font-size: 18px;
}

.split_line{
    width: 100%;
    height: 10px;
    background-color: skyblue;
}

.subject_size{
    height:60em;
}